CMH to ORD flight delays & on-time performance
Nonstop flights from John Glenn Columbus International Airport to Chicago O'Hare International Airport · 296 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CMH or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Columbus (CMH) to Chicago (ORD) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.7% were cancelled, and 9% arrived an hour or more late.
- Republic Airways was the most punctual airline here (84% on time); United Airlines was the least (68%).
- Departures scheduled around 5am did best (95% on time); around 5pm did worst (50%).
- Saturday was the most reliable day to fly (80% on time) and Monday the least (70%).
- The largest source of delay minutes was air traffic control & airport congestion (38%).
Which airline is most on time from CMH to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 86% | 2.3% | 14 min | 6.4% | 128 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 84% | 2.5% | 12 min | 5.5% | 1,577 |
| Envoy AirRegional airline operating American Eagle flights. | 76% | 2.3% | 25 min | 9.5% | 1,405 |
| PSA AirlinesRegional airline operating American Eagle flights. | 70% | 1.9% | 24 min | 17.0% | 54 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 69% | 5.7% | 36 min | 16.3% | 547 |
| United Airlines | 68% | 2.3% | 29 min | 11.2% | 1,219 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%388 flights
- 6am89%350 flights
- 7am74%529 flights
- 8am78%356 flights
- 9am78%372 flights
- 10am85%461 flights
- 11am83%292 flights
- 12pm79%97 flights
- 1pm74%117 flights
- 2pm73%620 flights
- 3pm74%128 flights
- 4pm75%321 flights
- 5pm50%323 flights
- 6pm49%101 flights
- 7pm69%237 flights
- 8pm58%190 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%3.8% cancelled
- Tuesday79%2.4% cancelled
- Wednesday80%1.7% cancelled
- Thursday77%1.8% cancelled
- Friday76%2.7% cancelled
- Saturday80%2.8% cancelled
- Sunday72%3.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion38%
- Late-arriving aircraft33%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather72%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)6%
- Security0%
CMH to ORD: common questions
- How often are CMH to ORD flights on time?
- 76% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Columbus to Chicago cancelled?
- 2.7% of scheduled flights were cancelled (135 of 4,930).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 90 min behind schedule on average, and 9.4% of flights were an hour or more late.
- How long is taxi time at CMH?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to CMH — 75% on time
More flights from Columbus
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CMH → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.